NOT WITH WAX, AND CLAY

NOT WITH WAX, AND CLAYFor better preservation of volatile liquid vials are usually recommended to clog with wax. However, it is not convenient, if the bubble has to be open often. It is better to use clay: the flagellum from it insulate the tube and eventually condense and thread.

 

A. VINOGRADOV, Mogilev, Belarus

Recommend to read

  • BATTERIES – ADAPTERBATTERIES – ADAPTER
    Today, any manufactured device can be supplemented, adapted to the specific household needs of Amateur radio and give the device a seemingly non-core second life.   For example, a...
  • TEREBILO FOR COBSTEREBILO FOR COBS
    "Look through with great interest your section on "Small machines": many useful find here Amateur gardeners. I decided to share a simple tool that has served me faithfully for years is...